package com.java.escape.springproblem.util;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @ClassName ApplicationContextUtil
 * @Description 实现ApplicationContextAware接口获取ApplicationContext
 * @Author wyp
 * @Date 2023/9/11 11:28
 * @Version 1.0
 */
@Slf4j
@Component
public class ApplicationContextUtil implements ApplicationContextAware {
    private static ApplicationContext applicationContext = null;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (ApplicationContextUtil.applicationContext == null) {
            ApplicationContextUtil.applicationContext = applicationContext;
        }
    }

    public static ApplicationContext getApplicationContext() {
        return ApplicationContextUtil.applicationContext;
    }

    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);

    }

    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);

    }
}
